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1、INTERNATIONAL STANDARDIZED PROFILE ISOIIEC ISP 10613-12 First edition 1995-l 2-l 5 Information technology - International Standardized Profile RA - Relaying the Connectionless-mode Network Service - Part 12: Definition of profile RA53.53, relaying the Connectionless-mode Network Service between Toke
2、n Ring LAN subnetworks Technologies de /information - Profil normali - European Workshop for Open Systems (EWOS); - Open Systems Environment Implementors Workshop (OIW). ISO/IEC ISP 106 13 consists of several parts, under the general title Information technology - International Standardized Profile
3、RA - Relaying the Connectionless-mode Network Service: - Part I: Subnetwork-independent requirements - Part 2: LAN subnetwork-dependent, media-independent requirements - Part 3: CSMMCD LAN subnetwork-dependent, media-dependent requirements - Part 4: FDDI LAN subnetwork-dependent, media-dependent req
4、uirements - Part 5: Definition of profile RA.51.51, relaying the Connectionless-mode Network Service between CSWCD LAN subnetworks - Part 6: Definition of projle RA51.54, relaying the Connectionless-mode Network Service between CSlzrwCD LAN subnetworks and FDDI LAN subnetworks - Part 7: PSDN subnetw
5、ork-dependent, media-dependent requirements for virtual calls over a permanent access . 111 Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/22/2007 22:04:40 MDTNo reproduction or network
6、ing permitted without license from IHS -,-,- ISO/IEC ISP 1061342:1995(E) 0 ISO/IEC - Part 8: Definition ofprofile RA51. I 11 I, relaying the Connectionless-mode Network Service between CSM4KD LAN subnetworks and PSDNs using virtual calls over a PSTN leased line permanent access - Part 9: Definition
7、ofprofle RASI. 1121, relaying the Connectionless-mode Network Service between CSMCD LAN subnetworks and PSDNs using virtual calls over a digital data circuit/CSDN leased line permanent access - Part IO: Token Ring LAN subnetwork-dependent, media-dependent requirements - Part I I: Definition of profi
8、le RA51.53, relaying the Connectionless-mode Network Service between CSuA/cD LAN subnetworks and Token Ring LAN subnetworks - Part 12: Definition of projle RA53.53, relaying the Connectionless-mode Network Service between Token Ring LAN subnetworks - Part 13: Definition of pro$le RA53.54, relaying t
9、he Connectionless-mode Network Service between Token Ring LAN subnetworks and FDDI LAN subnetworks - Part 14: Definition of projle RA54.54, relaying the Connectionless-mode Network Service between FDDI LAN subnetworks - Part 15: Definition of profile RA53. I I I I, relaying the Connectionless-mode N
10、etwork Service between Token Ring LAN subnetworh and PSDNs using virtual calls over a PSTN leased line permanent access - Part 16: Definition of profile RA53.1121, relaying the Connectionless-mode Network Service between Token Ring LAN subnetworks and PSDNs using virtual calls over a digital data ci
11、rcuit/CSDN leased line permanent access - Part 17: Dejnition of projle RA54.1 II I, relaying the Connectionless-mode Network Service between FDDI LAN subnetworks and PSDNs using virtual calls over a PSTW leased line permanent access - Part 18: DeJinition of proJile RA54.1121, relaying the Connection
12、less-mode Network Service between FDDI LAN subnetworks and PSDNs using virtual calls over a digital data circuit/CSDN leased line permanent access Annex A form an integral part of this part of ISO/IEC ISP 106 13. iv Copyright International Organization for Standardization Provided by IHS under licen
13、se with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/22/2007 22:04:40 MDTNo reproduction or networking permitted without license from IHS -,-,- 0 ISO/IEC ISO/IEC ISP 10613-12:1995(E) Introduction ISO/IEC ISP 10613 is defmed in accordance with the principles specified by ISO/
14、IEC Technical Report 10000. The context of Functional Standardization is one area in the overall field of Information Technology (IT) standardization activities, covering base standards, profiles, and registration mechanisms. A profile defines a combination of base standards that collectively perfor
15、m a specific well-defined IT function. Profiles standardize the use of options and other variations in the base standards, and provide a basis for the development of uniform, internationally recognized system tests. ISPs are produced not simply to legitimize a particular choice of base standards and
16、 options, but to promote real system interoperability. One of the most important roles for an ISP is to serve as the basis for the development (by organizations other than IS0 and IEC) of internationally recognized test methods. The development and widespread acceptance of tests based on this and ot
17、her ISPs is crucial to the successful realization of this goal. ISO/IEC ISP 10613 consists of several parts of which this is part 12. ISO/IEC ISP 10613-l specifies the profile requirements that are subnetwork-independent. There are further parts which specify subnetwork-dependent and media-dependent
18、 requirements. In addition, for each individual profile there is a part of ISO/IEC ISP 10613 which identities the specific requirements of that profile, making reference to appropriate material from part 1 and from the subnetwork-dependent parts of ISO/IEC ISP 10613. This part of ISO/IEC ISP 10613 i
19、s the one which identifies the specific requirements for profile RA53.53. Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/22/2007 22:04:40 MDTNo reproduction or networking permitted with
20、out license from IHS -,-,- ISO/IEC ISP 1061342:1995(E) 0 ISO/IEC blank page Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/22/2007 22:04:40 MDTNo reproduction or networking permitted wi
21、thout license from IHS -,-,- INTERNATIONAL STANDARDIZED PROFILE OISO/IEC ISO/IEC ISP 10613-12:1995(E) Information technology - International Standardized Profile RA - Relaying the Connectionless-mode Network Service - Part 12: Definition of profile RA53.53, relaying the Connectionless- mode Network
22、Service between Token Ring LAN subnetworks 1 Scope 1.1 General ISO/lEC ISP 10613 is applicable to interworking units concerned with operating in the Open Systems Interconnection (OSI) environment. It specifies a combination of OS1 base standards that collectively provide a network-relay function for
23、 the connectionless-mode Network Service. This part of ISO/IEC ISP 10613 defines the RA53.53 profile, which is applicable to interworking units operating between Token Ring LAN subnetworks. 1.2 Position within the taxonomy The taxonomy of profiles is defined in ISOiIEC TR 10000-2. This part of ISO/I
24、EC ISP 10613 defines the profile RA53.53 Relaying the Connectionless-mode Network Service between Token Ring LAN subnetworks. Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/22/2007 22:0
25、4:40 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO/IEC ISP 10613-12: 1995(E) 0 ISO/IEC 1.3 Scenario Figure 1 illustrates the configuration of systems to which the RA53.53 profile is applicable. The figure shows two reference points, but an implementation of this profi
26、le may include any number of attachments to Token Ring LAN subnetworks, with a reference point corresponding to each. * Token Ring LAN RA53.53 reference system Token Ring LAN * 4 * RA53.53 reference points * other compatible network equipment - OS1 relays - OS1 end systems - other equipment Figure 1
27、 - Scenario of applicability of the RA53.53 profile As this profile is a member of the RA group, it is intended that a conforming implementation is capable of interworking with other profiles of the RA group and with End Systems implementing profiles from the TA or UA groups, provided that suitable
28、relays are in place in the case of those members of these groups which relate to different elements of the subnetwork taxonomy. This part of ISO/IEC ISP 10613 specifies the required functions from the supporting protocol stack shown in figure 2. Network layer Data link layer Physical layer IS0 8473,
29、 IS0 9542 Figure 2 - Profile protocol stack for RA53.53 intermediate system Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/22/2007 22:04:40 MDTNo reproduction or networking permitted wi
30、thout license from IHS -,-,- 0 ISO/IEC ISO/IEC ISP 10613-12:1995(E) 2 Normative references The following documents contain provisions which, through reference in this text, constitute provisions of this part of ISO/IEC ISP 10613. At the time of publication, the editions indicated were valid. All doc
31、uments are subject to revision, and parties to agreements based on this part of ISO/IEC ISP 10613 are warned against automatically applying any more recent editions of the documents listed below, since the nature of references made by ISPs to such documents is that they may be specific to a particul
32、ar edition. Members of IEC and IS0 maintain registers of currently valid International Standards and ISPs, and KU-T maintains published editions of its current Recommendations. NOTE - IS0 8473:1988 and IS0 8802-2:1989 have been superseded by new editions (ISO/IEC 8473-1:1994 and ISO/IEC 8802-2: 1994
33、 respectively). However, when this part of ISO/IEC ISP 10613 was under development, the previous editions were valid and this part of ISOLEC ISP 106 13 is therefore based on these editions. IS0 8473: 1988, Information processing systems - Data communications - Protocol for providing the connectionle
34、ss-mode network service. IS0 8802-2: 1989, Information processing systems - Local area networks - Part 2: Logical link control. ISOIIEC 8802-5: 1992, Information technology - Local and metropolitan area networks - Part 5: Token ring access method andphysical layer spect$cations. IS0 9542: 1988, Info
35、rmation processing systems - Telecommunications and information exchange between systems - End system to Intermediate system routeing exchange protocol for use in conjunction with the Protocol for providing the connectionless-mode network service (IS0 8473). IS0 9542lCor. 1 :-I, Information processi
36、ng systems - Telecommunications and information exchange between systems - End system to Intermediate system routeing exchange protocol for use in conjunction with the Protocol for providing the connectionless-mode network service (IS0 8473) - Technical Corrigendum I. NOTE - This Technical Corrigend
37、um to IS0 9542 is to apply throughout in this part of ISO/IEC ISP 10613, wherever IS0 9542 itself is referenced. ISO/IEC TR 10000-l: 1992, Information technology - Framework and taxonomy of International Standardized Profiles - Part I: Framework. ISO/IEC TR lOOOO-2:1994, Information technology - Fra
38、mework and taxonomy of International Standardized Profiles - Part 2: Principles and Taxonomy for OSI Profiles. ISOIIEC ISP 10613-l : 1994, Information technology - International Standardized Profile RA - Relaying the Connectionless-mode Network Service - Part I: Subnetwork-independent requirements.
39、ISOIIEC ISP 10613-2:1994, Information technology - International Standardized Profile RA - Relaying the Connectionless-mode Network Service - Part 2: LAN subnetwork-dependent, media-independent requirements. ISO/IEC ISP 10613-10: 1995, Information technology - International Standardized Profile RA -
40、 Relaying the Connectionless-mode Network Service - Part IO: Token Ring LAN subnetwork-dependent, media-dependent requirements. 1) To be published. Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for R
41、esale, 04/22/2007 22:04:40 MDTNo reproduction or networking permitted without license from IHS -,-,- ISOLIEC ISP 10613-12:1995(E) 0 ISO/IEC Additional normative references are found in each of the ISP parts listed above. These additional normative references are base standards used for development o
42、f the relevant ISP parts. 3 Definitions All the terms used in this part of ISO/IEC ISP 106 13 are defined in the documents that are referenced in clause 2. 4 Abbreviations All abbreviations, including acronyms, are used in this part of ISO/IEC ISP 106 13 as defined in the documents that are referenc
43、ed in clause 2. 5 Requirements 5.1 Static conformance requirements An implementation conforming to the profile defined in this part of ISO/IEC ISP 10613 shall support two or more points of attachment to ISO/IEC 8802-5 Token Ring LAN subnetworks, through which it shall support all the features specif
44、ied as static conformance requirements in parts 1, 2 and 10 of ISO/IEC ISP 10613, and shall implement all the features identified as requirements in the ISPICS requirements list in annex A of this part of ISO/IEC ISP 10613. 5.2 Dynamic conformance requirements An implementation conforming to the pro
45、file defined in this part of ISO/IEC ISP 10613 shall carry out the supported functions according to the applicable dynamic conformance requirements in parts 1,2 and 10 of ISO/IEC ISP 10613. It shall behave in accordance with the requirements of the ISPICS requirements list in annex A of this part of
46、 ISO/IEC ISP 106 13. Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/22/2007 22:04:40 MDTNo reproduction or networking permitted without license from IHS -,-,- 0 ISO/IEC ISO/IEC ISP 1061
47、3-12:1995(E) Annex A (normative) ISPICS requirements list A.1 General options of the profile There are no general options in this part of ISO/IEC ISP 106 13. A.2 Base standards selected and combined in the profile The profile defined in this part of ISO/IEC ISP 106 13 makes use of the following base
48、 standards: - IS0 8473 - IS0 9542 - IS0 8802-2 - ISO/IEC 8802-5 A.3 Constraints on base standards A.3.1 General constraints A conforming implementation of this part of ISO/IEC ISP 106 13 shall: meet all the subnetwork-type independent relaying constraints on the operation of IS0 8473 and IS0 9542 which are specified in the ISPICS requirements list in ISO/IEC ISP 106 13- 1; b) for operation of the attachments to Token Ring LAN subnetworks, meet all the constraints on the operation of IS0 8473, IS0 9542, IS0 8802-2 and ISO/IEC 8802-5